# -*- coding: utf-8 -*-#
#-------------------------------------------------------------------------------
# 建立者:        Young  
# Name:         test361
# Description:
# Author:       $赵怡蕾
# Date:         2019/1/16
#-------------------------------------------------------------------------------

#
exec('i = 0')
exec('i += 2')
print(i)

s = {'a':10}
ar = {'b':2}
eval('print(a + b)',s,ar)